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alina1380 [7]
3 years ago
12

3x²-7x+4=0 can yall help me​

Mathematics
1 answer:
Over [174]3 years ago
8 0

Answer:

I think it

X1 = 1.333\\X2 = 1\\\\

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Daniel received $150 for his birthday this year. this was $10 less than half the amount he received last year. How much money di
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Answer:

He received $320 last year

Step-by-step explanation:

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I need to know number 6SP please I need to find the mean
vodka [1.7K]

The mean absolute deviation is given by the next formula:

\text{MAD}=\frac{1}{n}\sum ^{\square}_i|x_i-\bar{x}|

Where n is the number of points in the data set and x with a bar on top is the mean.

In our case,

\bar{x}=\frac{1}{25}(5\cdot1+5\cdot2+4\cdot3+4\cdot4+6\cdot5+6\cdot1)=\frac{79}{25}

and n=25.

Then,

\text{MAD}=\frac{1}{25}(5|1-\frac{79}{25}|+5|2-\frac{79}{25}|+4|3-\frac{79}{25}|+4|4-\frac{79}{25}|+6|5-\frac{79}{25}|+|6-\frac{79}{25}|)

Finally,

\text{MAD}=\frac{862}{625}\approx1.4

The answer is 1.4 once rounded.

7 0
2 years ago
How does 5 x(2)^n-1 simplify to 5/2 x (2)^n ?<br> Please help me
kotegsom [21]

9514 1404 393

Explanation:

The applicable rules of exponents are ...

  (a^b)(a^c) = a^(b+c)

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8 0
3 years ago
Somebody answer this for me
inn [45]

your right its that one

3 0
3 years ago
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Item has been reduced by 80% what is the price of the item now?
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I think you use

xamount(1-.8)

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1 being 100%

so .2 or 20% remaining multiplied by whatever amount.

6 0
4 years ago
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